CN111725537A - Hydrogen combustion heater of fuel cell engine and extremely low temperature self-starting method - Google Patents
Hydrogen combustion heater of fuel cell engine and extremely low temperature self-starting method Download PDFInfo
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- CN111725537A CN111725537A CN202010416106.5A CN202010416106A CN111725537A CN 111725537 A CN111725537 A CN 111725537A CN 202010416106 A CN202010416106 A CN 202010416106A CN 111725537 A CN111725537 A CN 111725537A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
- H01M8/04022—Heating by combustion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
- H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention discloses a fuel cell engine hydrogen combustion heater, wherein a heating device comprises a partition plate, and a heat-transfer enhancement device and a catalytic reactor which are respectively arranged at two sides of the partition plate, wherein the heat-transfer enhancement device comprises a cooling water channel, a catalyst covering layer is arranged between the partition plate and the catalytic reactor, and a cooling liquid pipe valve and a three-way joint are respectively arranged on the heat-transfer device and the catalytic reactor; the fuel cell engine realizes the low-temperature self-starting steps: after the engine receives a starting signal, self-checking the ambient temperature; when the ambient temperature is-8 ℃ to-3 ℃, sending a signal to the cold start electromagnetic valve, and opening the hydrogen pipeline cold start electromagnetic valve; hydrogen flows into a heater to be mixed with air and to generate chemical reaction to generate heat, cooling water is heated, meanwhile, a cooling liquid control valve acts to disconnect the inlets of the radiator assembly and the deionizer branch, and cooling liquid only flows through a heating device and is heated; the cooled water after temperature rise heats the electric pile of the engine to realize the quick low-temperature cold start of the fuel cell engine.
Description
Technical Field
The invention belongs to the field of fuel cell engines, relates to an auxiliary device for low-temperature cold start of a fuel cell engine, and particularly relates to a hydrogen combustion heater of the fuel cell engine and a method for self-starting the fuel cell engine in an extremely low-temperature environment.
Background
The fuel cell is a device for directly converting chemical energy in fuel into electric energy, and the proton exchange membrane fuel cell is the most widely used one, and is widely applied to the fields of automobiles, mobile power stations and the like. In the working engineering of the fuel cell, hydrogen and air are respectively introduced into the anode and the cathode of the fuel cell, electrochemical reaction is generated on the membrane electrode to generate electric energy and output the electric energy, and meanwhile, cooling water introduced into the electric pile takes away heat generated by the reaction.
Fuel cell engines also currently suffer from difficulties with cold start at low temperatures, which can make starting or failed in low temperature environments and reduce engine life. To ensure the low temperature cold start performance of fuel cell engines, various researchers have adopted different devices and strategies to achieve their low temperature rapid start.
Patent document CN101326662A discloses a low-temperature cold start method of a fuel cell, which proposes: at least one of the anode fuel and the cathode fuel supplied to the electrodes is brought into a shortage state, and an overvoltage of a portion of the electrodes is increased to raise the temperature of the fuel cell, whereby the poisoned electrode catalyst is recovered and the fuel cell is heated, thereby generating a large amount of heat to achieve temperature rise of the fuel cell stack.
Patent document CN109346748A discloses a low-temperature quick start system and a start method for a fuel cell. The system comprises an electric pile, a starting battery, a gas carbon nano tube micro heater, a control system and a current controller. The current controller in the system makes the fuel cell stack discharge with large current under the control of the control system, so that Joule heat is generated in the stack, the temperature in the stack is rapidly raised, and simultaneously, stack inlet gas is heated by the carbon nano tube micro heater, so as to rapidly reach the optimal working temperature of the fuel cell. The device realizes the rapid heating of the fuel cell through the heavy current heating of the galvanic pile and the infrared heating of the carbon nano tube.
Patent document CN109088082A discloses another metal stack fuel cell low-temperature start-up heat control system and operation method. The system comprises an external heat source heating system, an internal heat source heating system, a pressure and temperature inspection system and a control system. The method provides that hydrogen and air are respectively introduced into a low-temperature catalytic combustion tube through a bypass, the two gases are mixed in the low-temperature catalytic combustion tube and react to release heat to heat cooling water flowing through the device, and the cooled water after temperature rise heats the electric pile to realize quick low-temperature cold start of the metal pile fuel cell. The method has a certain application prospect, but the method only aims at the metal bipolar plate stack.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a hydrogen combustion heater used for self-starting of a fuel cell engine in an extremely low temperature environment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a fuel cell engine hydrogen combustion heater, includes the hydrogen storage bottle that is connected through cold start solenoid valve and the hydrogen inlet pipe valve on the proton exchange membrane fuel cell pile to and the air compressor machine of being connected with the air pipe valve on the fuel cell pile, still include expansion tank, heating device, radiator assembly and the deionizer of being connected with the fuel cell pile respectively, still be provided with hydrogen outlet pipe valve on the fuel cell pile, expansion tank pass through temperature sensor and be connected with the fuel cell pile, expansion tank be connected with cooling water pump, cooling water pump pass through coolant liquid control valve and connect heating device, radiator assembly and deionizer simultaneously.
The heating device of the fuel cell engine hydrogen combustion heater comprises a partition plate, and a heat-transfer enhancement device and a catalytic reactor which are respectively arranged on the upper side and the lower side of the partition plate, wherein the heat-transfer enhancement device is provided with a cooling water path, a catalyst covering layer is arranged between the partition plate and the catalytic reactor, and a cooling liquid pipe valve and a gas three-way joint are respectively arranged on the heat-transfer enhancement device and the catalytic reactor.
The heating device of the fuel cell engine hydrogen combustion heater comprises a heating cavity and a cooling device arranged in the heating cavity, wherein a cooling liquid flow passage is arranged in the cooling device, a cooling liquid inlet and a cooling liquid outlet which are connected with the cooling liquid flow passage are arranged outside the heating cavity, a mixed gas flow passage is arranged outside the cooling device, and a mixed gas inlet and a mixed gas outlet are respectively arranged on the heating cavity.
The heating device of the fuel cell engine hydrogen combustion heater comprises a combustor with a combustion cavity and a heat exchanger arranged in the combustion cavity, the heat exchanger is a cooling liquid coil pipe, a cooling liquid inlet and a cooling liquid outlet which are connected with the cooling liquid coil pipe are arranged on the combustion cavity, and the combustor is further provided with a hydrogen inlet, an air inlet and a combustion product outlet.
The heating device of the fuel cell engine hydrogen combustion heater comprises an inner cavity and an outer cavity which are concentrically arranged, the inner cavity and the outer cavity are separated by a partition plate, the inner side of the partition plate is provided with a catalyst covering layer, the left end and the right end of the inner cavity are respectively provided with a mixed gas inlet and a reaction product outlet, and the upper side and the lower side of the outer cavity are respectively provided with a cooling liquid inlet and a cooling liquid outlet.
Another object of the present invention is to provide a method for self-starting a fuel cell engine at an extremely low temperature, which combines the advantages of hydrogen convenience and rapid cleaning of hydrogen-oxygen reaction in a hydrogen storage bottle of a power system to realize the low-temperature self-starting of the fuel cell engine.
The technical scheme adopted by the invention for solving the technical problems is as follows: a very low temperature self-starting method for a hydrogen combustion heater of a fuel cell engine comprises the following steps
When a fuel cell engine controller receives a starting signal and the engine detects that the system is normal and the environmental temperature of a fuel cell stack is lower than-3 ℃, a cold starting electromagnetic valve is opened, and hydrogen in a hydrogen storage bottle flows through a bypass and enters a heating device;
secondly, the engine controller controls a cooling liquid control valve of the cooling system to act, the branch inlets of the radiator assembly and the deionizer are disconnected, and cooling water only enters the heating device;
thirdly, mixing the air entering the heating device with hydrogen to react, and discharging heat to heat the cooling water;
pressurizing the heated cooling water by a cooling water pump, feeding the pressurized cooling water into a fuel cell stack to heat the fuel cell stack, and then flowing out of an expansion water tank to form circulation;
and (V) executing a normal starting program when the temperature of the fuel cell stack is higher than-3 ℃: the cold start electromagnetic valve acts to close the bypass, hydrogen in the hydrogen storage bottle enters the fuel cell stack through the hydrogen inlet pipe valve (3), and the coolant control valve acts to open the radiator assembly and the branch inlet of the deionizer, so that the low-temperature self-start of the fuel cell engine is realized.
Furthermore, the electromagnetic valve is opened when the ambient temperature is-8 ℃ to-3 ℃. And the opening of the solenoid valve is carried out before the starting signal is received and the engine detects that the system is normal.
The invention has the technical effects that: the combustion heater can realize the quick cold start of the fuel cell engine at the ambient temperature of minus 3 ℃ through systems such as a heating device, an auxiliary pipeline valve and the like, and has the advantage of quick execution in a low-temperature environment.
Drawings
FIG. 1 is a schematic diagram of a system configuration of a hydrogen fired heater according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a first embodiment of the heating apparatus of the present invention;
FIG. 3 is a schematic structural view of a second embodiment of the heating apparatus of the present invention;
FIG. 4 is a schematic structural view of a third embodiment of the heating apparatus of the present invention;
FIG. 5 is an internal structural view of a fourth embodiment of the heating apparatus of the present invention;
fig. 6 is an external structural view of a fourth embodiment of the heating apparatus of the present invention.
The component names corresponding to the labels in the figures are: 1-hydrogen storage bottle, 2-cold start electromagnetic valve, 3-hydrogen inlet pipe valve, 4-fuel cell electric pile, 5-air pipe valve, 6-air compressor, 7-hydrogen outlet pipe valve, 8-temperature sensor, 9-expansion water tank, 10-heating device, 11-radiator assembly, 12-deionizer, 13-coolant control valve, 14-cooling water pump, 15-coolant pipe valve, 16-intensified heat exchanger, 17-partition, 18-gas three-way joint, 19-catalytic reactor, 20-catalyst coating, 21-mixed gas inlet, 22-mixed gas outlet, 23-coolant flow channel, 24-coolant inlet, 25-coolant outlet, 26-support, 27-mixed gas flow channel, 28-coolant pipeline and heat exchanger, 29-combustor, 30-coolant outlet, 31-reaction product outlet, 32-coolant inlet, 33-mixed gas inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, a method for using a heater is described in further detail below with reference to fig. 1 and an embodiment.
Example 1
Fig. 1 shows a basic embodiment of the present invention, which is a schematic structural diagram of a system of a fuel cell engine hydrogen combustion heater, and includes a hydrogen storage bottle 1 connected to a hydrogen inlet pipe valve 3 on a proton exchange membrane fuel cell stack 4 through a cold start electromagnetic valve 2, and an air compressor 6 connected to an air pipe valve 5 on the fuel cell stack 4, and further includes an expansion water tank 9 connected to the fuel cell stack 4, a heating device 10, a radiator assembly 11, and a deionizer 12, the fuel cell stack 4 is further provided with a hydrogen outlet pipe valve 7, a temperature sensor 8 is connected between the expansion water tank 9 and the fuel cell stack 4, the expansion water tank 9 is connected to a cooling water pump 14, and the cooling water pump 14 is simultaneously connected to the heating device 10, the radiator assembly 11, and the deionizer 12 through a cooling liquid control valve 13.
Fig. 2 is a schematic diagram of a heating apparatus 10 according to an embodiment of the present invention, which is composed of an enhanced heat exchanger 16, a partition 17 and a catalytic reactor 19, the upper and lower layers are separated by the partition 17, the partition 17 is a good heat conductor, the enhanced heat exchanger 16 on the upper layer has a water channel flow field through which cooling water flows and is heated, the lower layer is a catalytic layer, a catalyst layer covers a side of the bottom surface of the partition 17 contacting with gas to form a catalyst cover layer 20, hydrogen and air chemically react on the partition 17 and emit heat, the enhanced heat exchanger 16 is provided with a coolant pipe valve 15 for introducing coolant and guiding the coolant into the enhanced heat exchanger 16, and the catalytic reactor 19 is provided with a gas three-way joint 18 for guiding the introduced hydrogen and air into the catalytic reactor 19 as a mixed gas and then discharging through a waste gas outlet.
The method for realizing self-starting at the extremely low temperature comprises the following steps:
(1) sending a start signal, an engine self-test status and an ambient temperature to a fuel cell engine controller.
(2) When the engine detection system is normal and the ambient temperature is lower than-3 ℃, the hydrogen pipeline is controlled to be opened to start the electromagnetic valve 2 for cold start, and hydrogen circulates from the bypass and enters the heating device 10.
(3) The engine controller controls the operation of the cooling system coolant control valve 13 to disconnect the bypass inlets of the radiator assembly 11 and the deionizer 12, and the coolant flows only through the heating device 10.
(4) The hydrogen gas flowing into the heating device 10 is mixed with the air through the air 2 inlet in the heating device 10, reacts and releases heat to heat the cooling water.
(5) The heated cooling water is pressurized by a cooling water pump 14 for circulation, the fuel cell stack 4 is heated, and a normal starting program is executed after the temperature of the stack is higher than-3 ℃, so that the low-temperature self-starting of the fuel cell engine is realized.
Example 2
In the method for realizing self-starting at extremely low temperature, the step (2) is advanced by a specific time compared with the step (1). The electromagnetic valve 2 is opened when the ambient temperature is-8 ℃ to-3 ℃, and can be-7 ℃ or-5 ℃, because the electromagnetic valve can be normally operated after the temperature is raised to the critical temperature of-3 ℃, and the electromagnetic valve can be successfully operated only by special operation when the temperature is lower than-3 ℃.
Example 3
Fig. 3 is a schematic diagram of a heating apparatus 10 according to another embodiment of the present invention, which includes a heating chamber with a support 26 disposed below, and a cooling apparatus disposed in the heating chamber, wherein a cooling liquid channel 23 is disposed in the cooling apparatus, a cooling liquid inlet 24 and a cooling liquid outlet 25 connected to the cooling liquid channel 23 are disposed outside the heating chamber, a mixed gas channel 27 is disposed outside the cooling apparatus, and a mixed gas inlet 21 and a mixed gas outlet 22 are disposed on the upper side of the heating chamber, respectively.
Example 4
Fig. 4 is a schematic diagram of a heating apparatus 10 according to another embodiment of the present invention, which includes a burner 29 having a combustion chamber and a heat exchanger 28 disposed in the combustion chamber, the heat exchanger 28 is a cooling liquid coil, a cooling liquid inlet and a cooling liquid outlet connected to the cooling liquid coil are disposed on the combustion chamber, and a hydrogen inlet, an air inlet, a combustion product outlet, and a cooling liquid pipeline and a pipeline valve are further disposed on the burner 29. The hydrogen gas passes through the burner and is ignited by the spark plug, the hydrogen gas is combusted in the device cavity and gives off heat to heat the cooling liquid flowing through the cooling liquid pipeline, and waste gas generated by combustion is discharged through the combustion product outlet.
Example 5
Fig. 5 and 6 are schematic diagrams illustrating a heating apparatus 10 according to another embodiment of the present invention, which includes an inner chamber and an outer chamber concentrically arranged, the inner chamber and the outer chamber are separated by a partition 17, the inner side of the partition 17 is a catalyst coating layer 20, the outer side of the partition 17 is a heat exchange enhancement layer, the left and right ends of the inner chamber are respectively provided with a mixed gas inlet 33 and a reaction product outlet 31, and the upper and lower sides of the outer chamber are respectively provided with a cooling liquid inlet 32 and a cooling liquid outlet 30.
The scope of protection of the claims of the invention is not limited to the embodiments described above.
Claims (8)
1. A fuel cell engine hydrogen combustion heater, characterized by: the device comprises a hydrogen storage bottle (1) connected with a hydrogen inlet pipe valve (3) on a fuel cell galvanic pile (4) through a cold start electromagnetic valve (2), and an air compressor (6) connected with an air pipe valve (5) on the fuel cell galvanic pile (4), and further comprises an expansion water tank (9), a heating device (10), a radiator assembly (11) and a deionizer (12) which are respectively connected with the fuel cell galvanic pile (4), wherein the fuel cell galvanic pile (4) is also provided with a hydrogen outlet pipe valve (7), a temperature sensor (8) is connected between the expansion water tank (9) and the fuel cell galvanic pile (4), the expansion water tank (9) is connected with a cooling water pump (14), and the cooling water pump (14) is simultaneously connected with the heating device (10), the radiator assembly (11) and the deionizer (12) through a cooling liquid control valve (13).
2. The fuel cell engine hydrogen combustion heater according to claim 1, characterized in that the heating device (10) comprises a partition plate (17) and a heat-transfer enhancement device (16) and a catalytic reactor (19) respectively arranged on the upper side and the lower side of the partition plate (17), the heat-transfer enhancement device (16) is provided with a cooling water path, a catalyst covering layer (20) is arranged between the partition plate (17) and the catalytic reactor (19), and a cooling liquid pipe valve (15) and a gas three-way joint (18) are respectively arranged on the heat-transfer enhancement device (16) and the catalytic reactor (19).
3. The fuel cell engine hydrogen combustion heater according to claim 1, wherein the heating device (10) comprises a heating chamber and a cooling device disposed in the heating chamber, a coolant flow passage (23) is disposed in the cooling device, a coolant inlet (24) and a coolant outlet (25) connected to the coolant flow passage (23) are disposed outside the heating chamber, a mixed gas flow passage (27) is disposed outside the cooling device, and a mixed gas inlet (21) and a mixed gas outlet (22) are disposed on the heating chamber respectively.
4. The fuel cell engine hydrogen combustion heater according to claim 1, wherein the heating device (10) comprises a burner (29) having a combustion chamber and a heat exchanger (28) disposed in the combustion chamber, the heat exchanger (28) is a coolant coil, a coolant inlet and a coolant outlet connected to the coolant coil are disposed on the combustion chamber, and a hydrogen inlet, an air inlet and a combustion product outlet are further disposed on the burner (29).
5. The fuel cell engine hydrogen combustion heater according to claim 1, wherein the heating device (10) comprises an inner chamber and an outer chamber concentrically arranged, the inner chamber and the outer chamber are separated by a partition plate (17), a catalyst coating layer (20) is arranged inside the partition plate (17), a mixed gas inlet (33) and a reaction product outlet (31) are respectively arranged at the left end and the right end of the inner chamber, and a cooling liquid inlet (32) and a cooling liquid outlet (30) are respectively arranged at the upper side and the lower side of the outer chamber.
6. A very low temperature self-starting method of a hydrogen combustion heater of a fuel cell engine, based on the combustion heater of claim 1, characterized in that: the steps are as follows
When a fuel cell engine controller receives a starting signal, the engine detects that the system is normal and the environmental temperature of a fuel cell stack (4) is lower than minus 3 ℃, a cold start electromagnetic valve (2) is opened, and hydrogen in a hydrogen storage bottle (1) enters a heating device (10);
secondly, the cooling liquid control valve (13) acts to disconnect the branch inlets of the radiator assembly (11) and the deionizer (12), and cooling water enters the heating device (10);
thirdly, the air entering the heating device (10) is mixed with hydrogen to react, and heat is released to heat the cooling water;
the heated cooling water is pressurized by a cooling water pump (14) and enters a fuel cell stack (4) to heat the cooling water, and then flows out of an expansion water tank (9) to form circulation;
and fifthly, when the temperature of the fuel cell stack (4) is higher than minus 3 ℃, the cold start electromagnetic valve (2) acts, hydrogen in the hydrogen storage bottle (1) enters the fuel cell stack (4) through the hydrogen inlet pipe valve (3), and the coolant control valve (13) acts to open branch inlets of the radiator assembly (11) and the deionizer (12), so that the low-temperature self-start of the fuel cell engine is realized.
7. The extremely low temperature self-starting method of the fuel cell engine hydrogen combustion heater according to claim 6, characterized in that the electromagnetic valve (2) is opened when the ambient temperature is-8 ℃ to-3 ℃.
8. The extremely low temperature self-starting method of a hydrogen combustion heater of a fuel cell engine according to claim 7, characterized in that the opening of the solenoid valve (2) is performed before the start signal is received and the engine detects that the system is normal.
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| CN202010399100 | 2020-05-12 | ||
| CN2020103991001 | 2020-05-12 |
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Cited By (5)
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| CN112615024A (en) * | 2020-12-08 | 2021-04-06 | 东风汽车集团有限公司 | Fuel cell system |
| CN113346106A (en) * | 2021-05-20 | 2021-09-03 | 黄冈格罗夫氢能汽车有限公司 | Cluster type fuel cell deionizer device |
| CN113675442A (en) * | 2021-07-27 | 2021-11-19 | 华南理工大学 | Auxiliary low-temperature cold start system applied to fuel cell and control method thereof |
| CN115224305A (en) * | 2022-09-14 | 2022-10-21 | 国网浙江省电力有限公司宁波供电公司 | Hydrogen fuel cell power generation system and control method thereof |
| CN115775898A (en) * | 2023-02-13 | 2023-03-10 | 山东赛克赛斯氢能源有限公司 | Low-temperature starting system of PEM cell stack |
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| CN113346106A (en) * | 2021-05-20 | 2021-09-03 | 黄冈格罗夫氢能汽车有限公司 | Cluster type fuel cell deionizer device |
| CN113346106B (en) * | 2021-05-20 | 2022-08-05 | 黄冈格罗夫氢能汽车有限公司 | Cluster type fuel cell deionizer device |
| CN113675442A (en) * | 2021-07-27 | 2021-11-19 | 华南理工大学 | Auxiliary low-temperature cold start system applied to fuel cell and control method thereof |
| CN113675442B (en) * | 2021-07-27 | 2023-03-31 | 华南理工大学 | Auxiliary low-temperature cold start system applied to fuel cell and control method thereof |
| CN115224305A (en) * | 2022-09-14 | 2022-10-21 | 国网浙江省电力有限公司宁波供电公司 | Hydrogen fuel cell power generation system and control method thereof |
| CN115775898A (en) * | 2023-02-13 | 2023-03-10 | 山东赛克赛斯氢能源有限公司 | Low-temperature starting system of PEM cell stack |
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